AT89LP214-20XU Atmel, AT89LP214-20XU Datasheet - Page 84

• Manufacturer Part Number: AT89LP214-20XU
• Description: MCU 8051 2K FLASH 20MHZ 14-TSSOP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP214-20XU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-TSSOP
• Package: 14TSSOP
• Device Core: 8051
• Family Name: AT89
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 12
• Interface Type: SPI/UART
• Number Of Timers: 2
• Core: 8051
• Processor Series: AT89x
• Maximum Clock Frequency: 20 MHz
• Data Ram Size: 128 B
• Mounting Style: SMD/SMT
• Height: 1.05 mm
• Length: 5.1 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.4 V
• Width: 4.5 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

24.4
Figure 24-12. External Clock Drive Waveform
Table 24-2.
Table 24-3.
84
Symbol
1/t
t
t
t
t
t
Symbol
f
f
CLCL
CHCX
CLCX
CLCH
CHCL
XTAL
IRC
CLCL
Clock Characteristics
AT89LP213/214
External Clock Parameters
Clock Characteristics
Parameter
Oscillator Frequency
Clock Period
External Clock High Time
External Clock Low Time
External Clock Rise Time
External Clock Fall Time
Parameter
Crystal Oscillator Frequency
Internal Oscillator Frequency
Condition
T
V
A
CC
= 25°C; V
= 2.4V to 5.5V
CC
= 5.0V
7.92
7.70
Min
Min
50
12
12
0
0
Max
Max
8.08
8.50
20
20
5
5
3538E–MICRO–11/10
Units
Units
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns